Constituent dispersion · breadth vs the index
XLE — Energy Select Sector
Concentration 55.02% in top 5 9.91 effective names · HHI 1009
RS vs S&P 500 21d -8.37pp sector return − SPY
RS vs Nasdaq-100 21d -9.81pp sector return − QQQ
Broad decline - breadth is falling with price. Last 21 sessions — price -6.86% · A/D -47 (-2.24/name)
XLE price
Cumulative advance / decline of constituents — rises when more names are up than down; turns before price at inflections
Dispersion by window
| Window | ETF | Median | Median − ETF | Up / Down | Beat / Lag | ±1% band | Dispersion |
|---|---|---|---|---|---|---|---|
| 1d | -0.34% | -1.45% | -1.11pp | 2 / 19 | 4 / 17 | 9 of 21 | ±1.78% |
| 5d | -3.54% | -3.84% | -0.31pp | 2 / 19 | 9 / 12 | 10 of 21 | ±2.28% |
| 21d | -6.86% | -6.31% | +0.56pp | 1 / 20 | 12 / 9 | 5 of 21 | ±3.21% |
| YTD | +24.63% | +26.65% | +2.02pp | 19 / 2 | 12 / 9 | 0 of 21 | ±17.36% |
Median − ETF below zero means the typical name is lagging the cap-weighted index — the move is top-heavy. "Beat" counts constituents outperforming the ETF over the window. Dispersion is the cross-sectional standard deviation of constituent returns — high = a stock-picker's tape, low = pure beta.
What drove the move — contribution = weight × return
Today (1d)
- XOM+0.67%+0.15pp
- EOG+0.05%+0pp
- VLO-4.45%-0.2pp
- TRGP-3.77%-0.12pp
- OKE-3.47%-0.11pp
- DVN-3.25%-0.09pp
- HAL-3.59%-0.07pp
This month (21d)
- VLO+1.46%+0.06pp
- XOM-10.17%-2.23pp
- CVX-4.89%-0.82pp
- COP-9.04%-0.62pp
- WMB-7.98%-0.34pp
- EOG-5.85%-0.24pp
Each name's contribution = its index weight × its return — the percentage points it added to (green) or subtracted from (red) the ETF's move. Computed across covered names.
Leaders & laggards (21-day)
- VLO+1.46%
- MPC-1.41%
- PSX-1.67%
- TRGP-1.93%
- OKE-3.93%
- EQT-10.29%
- XOM-10.17%
- OXY-9.98%
- EXE-9.10%
- COP-9.04%
Other ETFs & indices
Dispersion is computed across the constituents we cover in our data lake (see coverage badge). Decision-support, not investment advice.